Select this check box to have the strict mode standard applied to JavaScript code. This helps improve your code by enforcing best practices and suppressing insecure ones.

Only type-based completion

When this check box is cleared, the completion list contains multiple variants in complicated cases.

When the check box is selected, the completion list strongly depends on the CLion type inference. This makes completion more precise but in case of poor inference the list may be empty.

By default, the check box is cleared.

Flow executable

In this field, specify the path to the Flow executable file.

The field is available only when Flow is chosen from the JavaScript Language Version drop-down list.

Use Flow server for:

In this area, specify the basis for coding assistance by selecting or clearing the following check boxes:

Type checking: When this check box is selected, syntax and error highlighting is provided based on the data received from the Flow server. When the check box is cleared, only the basic internal CLion highlighting is available.

Navigation, code completion, and type hinting: When this check box is selected, suggestion lists for reference resolution and code completiong contain both suggestions retrieved from integration with Flow and suggestions calculated by CLion. When the check box is cleared, references are resolved through CLion calculation only.

Code highlighting and built-in inspections: Select this checkbox to power native Flow code highlighting and built-in inspections. Please note that enabling this option may cause performance problems. By default, the check box is cleared.

The check boxes are available only when the path to the Flow executable file is specified.